Revert of Update Zlib to version 1.2.8

third_party/zlib/infback.c

Index: third_party/zlib/infback.c
diff --git a/third_party/zlib/infback.c b/third_party/zlib/infback.c
index f3833c2e434a560b41325d0001c9c4ff0d5d1279..af3a8c965d50cc6ac05c6c844a8f79e2cdc9f3c1 100644
--- a/third_party/zlib/infback.c
+++ b/third_party/zlib/infback.c
@@ -1,5 +1,5 @@
 /* infback.c -- inflate using a call-back interface
- * Copyright (C) 1995-2011 Mark Adler
+ * Copyright (C) 1995-2009 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -42,19 +42,10 @@
         return Z_STREAM_ERROR;
     strm->msg = Z_NULL;                 /* in case we return an error */
     if (strm->zalloc == (alloc_func)0) {
-#ifdef Z_SOLO
-        return Z_STREAM_ERROR;
-#else
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
-#endif
     }
-    if (strm->zfree == (free_func)0)
-#ifdef Z_SOLO
-        return Z_STREAM_ERROR;
-#else
-    strm->zfree = zcfree;
-#endif
+    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
     state = (struct inflate_state FAR *)ZALLOC(strm, 1,
                                                sizeof(struct inflate_state));
     if (state == Z_NULL) return Z_MEM_ERROR;
@@ -255,7 +246,7 @@
 void FAR *out_desc;
 {
     struct inflate_state FAR *state;
-    z_const unsigned char FAR *next;    /* next input */
+    unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have, left;        /* available input and output */
     unsigned long hold;         /* bit buffer */
@@ -403,6 +394,7 @@
                     PULLBYTE();
                 }
                 if (here.val < 16) {
+                    NEEDBITS(here.bits);
                     DROPBITS(here.bits);
                     state->lens[state->have++] = here.val;
                 }